MOSCOW, October 15 - RAPSI. Bolotnaya Square riots case suspect Mikhail Kosenko suffers from a behavioral disorder, Investigative Committee spokesman Vladimir Markin said on Monday.

"The investigation into criminal case against Kosenko is over. The psychiatric examination has revealed that he suffers from a behavioral disorder and at the time of the offence was unable to understand the danger his actions posed on others," said Markin.

In view of this, the case has been referred to the prosecutor. He will now decide on Kosenko's compulsory medical treatment.

An officially sanctioned opposition march across Moscow led to clashes with the police on May 6. Dozens of protesters and police officers were injured. The police detained over 400 rally participants.

After May 6, the opposition continued its protests in the form of "people's promenades," wherein crowds of opposition activists walked peacefully together through the city in a show of opposition.

In total 17 individuals have been arrested in this case.